Need an option to invite a user in another Azure AD tenant which has no mailbox.
When inviting a user, invitations are always sent to the invited user's UPN.
When user's UPN is different from email address, or it's just a user@tenant.onmicrosoft.com without exchange license, no one can receive the invitation.
There should be an option to accept the invitation without using of email (let's say on the oprtal), or to specify an alternative email which can be used to receive the invitation letter.
... View more